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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Conflicts:
	drivers/infiniband/hw/cxgb4/device.c

The cxgb4 conflict was simply overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2014-07-22 00:44:59 -07:00
parent 1bb4238b17 15ba2236f3
commit 8fd90bb889
189 changed files with 1914 additions and 952 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
net/batman-adv/soft-interface.c
View File

@@ -448,10 +448,15 @@ out:
* possibly free it
* @softif_vlan: the vlan object to release
*/
void batadv_softif_vlan_free_ref(struct batadv_softif_vlan *softif_vlan)
void batadv_softif_vlan_free_ref(struct batadv_softif_vlan *vlan)
{
if (atomic_dec_and_test(&softif_vlan->refcount))
kfree_rcu(softif_vlan, rcu);
if (atomic_dec_and_test(&vlan->refcount)) {
spin_lock_bh(&vlan->bat_priv->softif_vlan_list_lock);
hlist_del_rcu(&vlan->list);
spin_unlock_bh(&vlan->bat_priv->softif_vlan_list_lock);
kfree_rcu(vlan, rcu);
}
}
/**
@@ -505,6 +510,7 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
if (!vlan)
return -ENOMEM;
vlan->bat_priv = bat_priv;
vlan->vid = vid;
atomic_set(&vlan->refcount, 1);
@@ -516,6 +522,10 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
return err;
}
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
/* add a new TT local entry. This one will be marked with the NOPURGE
* flag
*/
@@ -523,10 +533,6 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
bat_priv->soft_iface->dev_addr, vid,
BATADV_NULL_IFINDEX, BATADV_NO_MARK);
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
return 0;
}
@@ -538,18 +544,13 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
static void batadv_softif_destroy_vlan(struct batadv_priv *bat_priv,
struct batadv_softif_vlan *vlan)
{
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
hlist_del_rcu(&vlan->list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
batadv_sysfs_del_vlan(bat_priv, vlan);
/* explicitly remove the associated TT local entry because it is marked
* with the NOPURGE flag
*/
batadv_tt_local_remove(bat_priv, bat_priv->soft_iface->dev_addr,
vlan->vid, "vlan interface destroyed", false);
batadv_sysfs_del_vlan(bat_priv, vlan);
batadv_softif_vlan_free_ref(vlan);
}
@@ -567,6 +568,8 @@ static int batadv_interface_add_vid(struct net_device *dev, __be16 proto,
unsigned short vid)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct batadv_softif_vlan *vlan;
int ret;
/* only 802.1Q vlans are supported.
* batman-adv does not know how to handle other types
@@ -576,7 +579,36 @@ static int batadv_interface_add_vid(struct net_device *dev, __be16 proto,
vid |= BATADV_VLAN_HAS_TAG;
return batadv_softif_create_vlan(bat_priv, vid);
/* if a new vlan is getting created and it already exists, it means that
* it was not deleted yet. batadv_softif_vlan_get() increases the
* refcount in order to revive the object.
*
* if it does not exist then create it.
*/
vlan = batadv_softif_vlan_get(bat_priv, vid);
if (!vlan)
return batadv_softif_create_vlan(bat_priv, vid);
/* recreate the sysfs object if it was already destroyed (and it should
* be since we received a kill_vid() for this vlan
*/
if (!vlan->kobj) {
ret = batadv_sysfs_add_vlan(bat_priv->soft_iface, vlan);
if (ret) {
batadv_softif_vlan_free_ref(vlan);
return ret;
}
}
/* add a new TT local entry. This one will be marked with the NOPURGE
* flag. This must be added again, even if the vlan object already
* exists, because the entry was deleted by kill_vid()
*/
batadv_tt_local_add(bat_priv->soft_iface,
bat_priv->soft_iface->dev_addr, vid,
BATADV_NULL_IFINDEX, BATADV_NO_MARK);
return 0;
}
/**